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143 lines
4.0 KiB
Bash
143 lines
4.0 KiB
Bash
#! @WRAPPER_SHELL@
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#
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# $NetBSD: gen-reorder.sh,v 1.1 2004/09/21 15:01:41 jlam Exp $
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#
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# Copyright (c) 2004 The NetBSD Foundation, Inc.
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# All rights reserved.
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#
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# This code is derived from software contributed to The NetBSD Foundation
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# by Johnny C. Lam.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. All advertising materials mentioning features or use of this software
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# must display the following acknowledgement:
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# This product includes software developed by the NetBSD
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# Foundation, Inc. and its contributors.
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# 4. Neither the name of The NetBSD Foundation nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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shell_lib="@_WRAP_SHELL_LIB@"
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wrapperlog="${WRAPPER_LOG-@_WRAP_LOG@}"
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debug="${WRAPPER_DEBUG-no}"
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cat="@CAT@"
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. $shell_lib
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case $debug in
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yes) debug_log="msg_log" ;;
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*) debug_log=":" ;;
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esac
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######################################################################
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# gen reorder:l:foo:bar
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# Outputs a branch of a shell case statement that reorders
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# libs to ensure that "-lfoo" occurs before "-lbar".
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######################################################################
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gen() {
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save_IFS="${IFS}"; IFS=":"
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set -- $1
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IFS="${save_IFS}"
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_cmd="$1"; shift
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case $_cmd in
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reorder)
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$debug_log $wrapperlog " (gen-reorder) $_cmd: $@"
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case $1 in
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l)
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$cat << EOF
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# -l$2 comes before -l$3
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-l$2)
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case "\${_libs}" in
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-l$3|-l$3" "*)
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_libs="\$l \${_libs}"
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;;
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*" "-l$3)
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_libs="\${_libs%%-l$3}\$l -l$3"
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;;
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*" "-l$3" "*)
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_libs="\${_libs%% -l$3 *} \$l -l$3 \${_libs#* -l$3 }"
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;;
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*)
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_libs="\${_libs} \$l"
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;;
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esac
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;;
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EOF
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;;
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esac
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;;
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*)
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$debug_log $wrapperlog " (gen-reorder) $_cmd: $@ [unknown]"
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;;
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esac
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}
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######################################################################
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# Header for reorder script
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######################################################################
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$cat << 'EOF'
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msg_log $wrapperlog "==> Reordering libraries: $libs"
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prevlibs=
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while $test "$libs" != "$prevlibs"; do
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_libs=
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for l in $libs; do
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case $l in
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EOF
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######################################################################
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# Generate body for reorder script.
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######################################################################
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for arg do
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gen "$arg"
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done
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######################################################################
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# Footer for reorder script
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######################################################################
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$cat << 'EOF'
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*)
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_libs="${_libs} $l"
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;;
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esac
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_libs="${_libs# }"
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_libs="${_libs% }"
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done
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prevlibs="$libs"
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libs="${_libs}"
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done
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# This section suppresses duplicate libraries in sequence.
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_libs=
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for l in $libs; do
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case "${_libs}" in
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$l|*" "$l) ;;
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*) _libs="${_libs} $l" ;;
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esac
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done
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_libs="${_libs# }"
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_libs="${_libs% }"
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libs="${_libs}"
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EOF
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exit 0
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